纳斯达克中国金龙指数小幅高开，知乎涨超7%

Group 1 - Nasdaq China Golden Dragon Index opened slightly higher on August 19 [1] - Zhihu increased by over 7%, Century Internet rose by over 2%, and both iQIYI and Xpeng Motors gained over 1% [1] - Xunlei experienced a decline of over 6% [1]